설치 및 업그레이드 > 업그레이드 안내서 > Before Upgrading > Supported Scenarios > Upgrading to Critical Patch Set (CPS) Releases
  
Upgrading to Critical Patch Set (CPS) Releases
Critical Patch Set releases are supported as Windchill upgrade targets. Critical Patch Sets may include upgrade-related fixes, so PTC recommends that upgrade target systems be updated to the latest applicable CPS before upgrade.